Chapter 21, Problem E21A.51E

To determine

Concept Introduction:

Variable costing: Variable costing is one of the methods of calculation of product costs. Under this method, only the variable manufacturing costs are considered as part of the product cost. Under this method, the income statement calculates contribution margin and net operating income.

Absorption costing: Absorption costing is one of the methods of calculation of product costs. Under this method, the fixed manufacturing overheads are also considered as part of the product cost with direct costs. The unit product cost includes direct material, direct labor, and variable overhead and allocated amount of fixed overhead. Under this method, the income statement calculates Gross margin and net operating income.

1. To indicate: The costing method that produces highest operating income